Instance: rand-2-40-180-84-900-83_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:13
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 29,700
Number of unique subscopes: 37
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 5 38 18.01 18.00 534,819 MAX VALUE 85,078.20 4.03 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 514.29 0.00 -17,193.30 0.02 0.20 2.43
Tightness 0.90 0.91 0.90 0.90 75.59 0.00 -8.86 0.00 0.00 4.07
Tuples 3,075 3,395 3,241.98 3,241.00 272,326 MAX VALUE 679.04 57.52 0.02 4.07
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 8 4.46 4.00 165 9.32e+22 52.89 1.57 0.35 1.80
Partitions per subscope 180 180 180.00 180.00 6,660 MAX VALUE 192.14 0.00 0.00 0.00
Tree decomposition
Number of clusters: 30
Number of leaves: 11
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 13 4.40 3.00 132 2.40e+16 37.72 3.10 0.71 1.95
Cluster variables 2 11 5.67 5.00 170 1.12e+21 48.47 2.71 0.48 2.17
Separator constraints 0 8 1.60 0.00 48 0 None 2.50 1.56 1.43
Separator variables 0 10 4.33 4.00 130 0 None 2.65 0.61 2.23
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 4 56 18.71 15.50 711 MAX VALUE 102.40 13.19 0.71 3.03
Cluster variables 4 29 10.68 9.00 406 4.13e+36 84.31 6.32 0.59 2.74
Separator constraints 0 35 10.00 7.50 380 0 None 8.28 0.83 2.73
Separator variables 0 22 8.47 7.00 322 0 None 5.00 0.59 2.63
Primal graph
Density: 10.77%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.21 None 0.00 None None None None None 1.65
Degree 1 8 4.20 4.00 168 9.32e+22 52.89 1.76 0.42 1.93
Eccentricity 3 5 4.28 4.00 171 1.24e+25 57.78 0.55 0.13 0.81
Triangulated primal graph
Density: 23.72%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 None 0.72 None None None None None 3.36
Degree 1 22 9.25 7.00 370 3.79e+32 75.02 6.73 0.73 2.61
Eccentricity 3 5 3.60 4.00 144 1.06e+22 50.72 0.58 0.16 0.86
Dual graph
Density: 9.50%
MCB compute time (ms): 49
MCB cycles: 250
Triangles: 410
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 0.49 0.47 41.10 0.00 -61.74 0.11 0.23 2.84
Degree 3 14 7.88 8.00 662 MAX VALUE 168.52 2.58 0.33 2.30
Eccentricity 3 5 3.98 4.00 334 MAX VALUE 115.42 0.44 0.11 0.62
MCB cycle size 3 6 3.23 3.00 807 MAX VALUE 289.85 0.57 0.18 0.56
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 14
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None 0.00 None None None None None 0.91
Degree 1 4 3.05 3.00 256 MAX VALUE 91.45 0.62 0.20 0.88
Eccentricity 6 8 6.90 7.00 580 MAX VALUE 161.94 0.65 0.09 0.97
MCB cycle size 4 9 7.13 7.00 321 1.41e+38 87.84 1.07 0.15 1.34
Triangulated dual graph
Density: 30.03%
Triangles: 8,296
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.60 1.00 0.79 0.78 66.40 0.00 -20.71 0.12 0.15 3.91
Degree 3 49 24.93 23.50 2,094 MAX VALUE 245.44 15.84 0.64 3.55
Eccentricity 2 4 3.02 3.00 254 MAX VALUE 92.03 0.44 0.14 0.62
Triangulated minimal dual graph
Density: 12.59%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 2.99
Degree 1 31 10.45 5.00 878 MAX VALUE 159.12 9.83 0.94 2.74
Eccentricity 3 6 4.26 4.00 358 MAX VALUE 120.89 0.62 0.15 0.93
Incidence graph
Density: 2.20%
MCB compute time (ms): 22
MCB cycles: 45
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None 0.00 None None None None None 1.04
Degree 1 8 2.71 2.00 336 MAX VALUE 111.11 1.44 0.53 1.12
Eccentricity 7 11 8.77 9.00 1,088 MAX VALUE 268.65 0.90 0.10 1.28
MCB cycle size 6 10 8.36 8.00 376 MAX VALUE 94.84 1.42 0.17 1.03